diff options
Diffstat (limited to 'libart_lgpl/art_svp.c')
-rw-r--r-- | libart_lgpl/art_svp.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/libart_lgpl/art_svp.c b/libart_lgpl/art_svp.c deleted file mode 100644 index 69814cca00..0000000000 --- a/libart_lgpl/art_svp.c +++ /dev/null @@ -1,74 +0,0 @@ -/* Libart_LGPL - library of basic graphic primitives - * Copyright (C) 1998 Raph Levien - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -/* Basic constructors and operations for sorted vector paths */ - -#include "config.h" -#include "art_svp.h" - -#include "art_misc.h" - -/** - * art_svp_free: Free an #ArtSVP structure. - * @svp: #ArtSVP to free. - * - * Frees an #ArtSVP structure and all the segments in it. - **/ -void -art_svp_free (ArtSVP *svp) -{ - gint n_segs = svp->n_segs; - gint i; - - for (i = 0; i < n_segs; i++) - art_free (svp->segs[i].points); - art_free (svp); -} - -#ifdef ART_USE_NEW_INTERSECTOR -#define EPSILON 0 -#else -#define EPSILON 1e-6 -#endif - -/** - * art_svp_seg_compare: Compare two segments of an svp. - * @seg1: First segment to compare. - * @seg2: Second segment to compare. - * - * Compares two segments of an svp. Return 1 if @seg2 is below or to the - * right of @seg1, -1 otherwise. - **/ -gint -art_svp_seg_compare (gconstpointer s1, gconstpointer s2) -{ - const ArtSVPSeg *seg1 = s1; - const ArtSVPSeg *seg2 = s2; - - if (seg1->points[0].y - EPSILON > seg2->points[0].y) return 1; - else if (seg1->points[0].y + EPSILON < seg2->points[0].y) return -1; - else if (seg1->points[0].x - EPSILON > seg2->points[0].x) return 1; - else if (seg1->points[0].x + EPSILON < seg2->points[0].x) return -1; - else if ((seg1->points[1].x - seg1->points[0].x) * - (seg2->points[1].y - seg2->points[0].y) - - (seg1->points[1].y - seg1->points[0].y) * - (seg2->points[1].x - seg2->points[0].x) > 0) return 1; - else return -1; -} - |